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Hydrolysis Acidification/Contact Oxidation/ Biofilter Process for Treatment of Knitting Printing and Dyeing Wastewater

Chen Ji-hua

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Abstract

The hydrolysis acidification/contact oxidation/biofilter process was used to treat knitting printing and dyeing wastewater.The operation results for several months indicate that the system has stable treatment effect,the removal rates of COD,BOD5,and SS are all more than 90%,and the different indexes of the effluent are superior to the discharge standard.The process has advantages of less residual sludge,stronger resistance to shock loading and higher removal efficiency of refractory organics,and it is of utility in the treatment of textile printing and dyeing wastewater.

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What this paper is about

The hydrolysis acidification/contact oxidation/biofilter process was used to treat knitting printing and dyeing wastewater.The operation results for several months indicate that the system has stable treatment effect,the removal rates of COD,BOD5,and SS are all more than 90%,and the different indexes of the effluent are superior to the discharge standard.The process has advantages of less residual sludge,stronger resistance to shock loading and higher removal efficiency of refractory organics,and it is of utility in the treatment of textile printing and dyeing wastewater.

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Available abstract

The hydrolysis acidification/contact oxidation/biofilter process was used to treat knitting printing and dyeing wastewater.The operation results for several months indicate that the system has stable treatment effect,the removal rates of COD,BOD5,and SS are all more than 90%,and the different indexes of the effluent are superior to the discharge standard.The process has advantages of less residual sludge,stronger resistance to shock loading and higher removal efficiency of refractory organics,and it is of utility in the treatment of textile printing and dyeing wastewater.

Key concepts: Dyeing, Biofilter, Wastewater, Effluent, Pulp and paper industry, Oxidation process, Textile, Waste management

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